Thioaminopropionic acid
[医] 硫氢氨基丙酸, 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
You are right, whatever opinions may be held by others.
你做得对，别人怎么看不必与日俱增。
Nothing for nothing and very little for a half penny.
一分钱，一分货。
Is it?
是吗？